112101112210221 has 32 divisors (see below), whose sum is σ = 166213399347200. Its totient is φ = 74672125458480.

The previous prime is 112101112210193. The next prime is 112101112210223. The reversal of 112101112210221 is 122012211101211.

It is a happy number.

112101112210221 is a `hidden beast` number, since 1 + 1 + 210 + 1 + 11 + 221 + 0 + 221 = 666.

It is not a de Polignac number, because 112101112210221 - 2²³ = 112101103821613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112101112210194 and 112101112210203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112101112210223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 879526320 + ... + 879653766.

It is an arithmetic number, because the mean of its divisors is an integer number (5194168729600).

Almost surely, 2^{112101112210221} is an apocalyptic number.

It is an amenable number.

112101112210221 is a deficient number, since it is larger than the sum of its proper divisors (54112287136979).

112101112210221 is a wasteful number, since it uses less digits than its factorization.

112101112210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154206 (or 154200 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112101112210221 its reverse (122012211101211), we get a palindrome (234113323311432).

The spelling of 112101112210221 in words is "one hundred twelve trillion, one hundred one billion, one hundred twelve million, two hundred ten thousand, two hundred twenty-one".